Remove duplicate ".endfunc".

[pf3gnuchains/gcc-fork.git] / gcc / sched-rgn.c

diff --git a/gcc/sched-rgn.c b/gcc/sched-rgn.c
index 68da37b..e6400b6 100644 (file)
--- a/gcc/sched-rgn.c
+++ b/gcc/sched-rgn.c
@@ -1,6 +1,6 @@
 /* Instruction scheduling pass.
    Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-   2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+   2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010
    Free Software Foundation, Inc.
    Contributed by Michael Tiemann (tiemann@cygnus.com) Enhanced by,
    and currently maintained by, Jim Wilson (wilson@cygnus.com)
@@ -49,7 +49,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "system.h"
 #include "coretypes.h"
 #include "tm.h"
-#include "toplev.h"
+#include "diagnostic-core.h"
 #include "rtl.h"
 #include "tm_p.h"
 #include "hard-reg-set.h"
@@ -59,7 +59,6 @@ along with GCC; see the file COPYING3.  If not see
 #include "insn-config.h"
 #include "insn-attr.h"
 #include "except.h"
-#include "toplev.h"
 #include "recog.h"
 #include "cfglayout.h"
 #include "params.h"
@@ -237,7 +236,7 @@ static void compute_block_dependences (int);
 static void schedule_region (int);
 static rtx concat_INSN_LIST (rtx, rtx);
 static void concat_insn_mem_list (rtx, rtx, rtx *, rtx *);
-static void propagate_deps (int, struct deps *);
+static void propagate_deps (int, struct deps_desc *);
 static void free_pending_lists (void);
 
 /* Functions for construction of the control flow graph.  */
@@ -354,7 +353,7 @@ extract_edgelst (sbitmap set, edgelst *el)
 
 /* Print the regions, for debugging purposes.  Callable from debugger.  */
 
-void
+DEBUG_FUNCTION void
 debug_regions (void)
 {
   int rgn, bb;
@@ -379,7 +378,7 @@ debug_regions (void)
 
 /* Print the region's basic blocks.  */
 
-void
+DEBUG_FUNCTION void
 debug_region (int rgn)
 {
   int bb;
@@ -486,7 +485,6 @@ find_single_block_region (bool ebbs_p)
         for (bb = ebb_start; ; bb = bb->next_bb)
           {
             edge e;
-            edge_iterator ei;
 
             rgn_bb_table[i] = bb->index;
             RGN_NR_BLOCKS (nr_regions)++;
@@ -498,9 +496,7 @@ find_single_block_region (bool ebbs_p)
                 || LABEL_P (BB_HEAD (bb->next_bb)))
               break;
 
-            FOR_EACH_EDGE (e, ei, bb->succs)
-             if ((e->flags & EDGE_FALLTHRU) != 0)
-               break;
+           e = find_fallthru_edge (bb->succs);
             if (! e)
               break;
             if (e->probability <= probability_cutoff)
@@ -1594,7 +1590,7 @@ free_trg_info (void)
 
 /* Print candidates info, for debugging purposes.  Callable from debugger.  */
 
-void
+DEBUG_FUNCTION void
 debug_candidate (int i)
 {
   if (!candidate_table[i].is_valid)
@@ -1631,7 +1627,7 @@ debug_candidate (int i)
 
 /* Print candidates info, for debugging purposes.  Callable from debugger.  */
 
-void
+DEBUG_FUNCTION void
 debug_candidates (int trg)
 {
   int i;
@@ -2142,7 +2138,7 @@ init_ready_list (void)
        src_head = head;
 
        for (insn = src_head; insn != src_next_tail; insn = NEXT_INSN (insn))
-         if (INSN_P (insn) && !BOUNDARY_DEBUG_INSN_P (insn))
+         if (INSN_P (insn))
            try_ready (insn);
       }
 }
@@ -2400,7 +2396,7 @@ get_rgn_sched_max_insns_priority (void)
   return rgn_sched_info.sched_max_insns_priority;
 }
 
-/* Determine if PAT sets a CLASS_LIKELY_SPILLED_P register.  */
+/* Determine if PAT sets a TARGET_CLASS_LIKELY_SPILLED_P register.  */
 
 static bool
 sets_likely_spilled (rtx pat)
@@ -2417,8 +2413,8 @@ sets_likely_spilled_1 (rtx x, const_rtx pat, void *data)
 
   if (GET_CODE (pat) == SET
       && REG_P (x)
-      && REGNO (x) < FIRST_PSEUDO_REGISTER
-      && CLASS_LIKELY_SPILLED_P (REGNO_REG_CLASS (REGNO (x))))
+      && HARD_REGISTER_P (x)
+      && targetm.class_likely_spilled_p (REGNO_REG_CLASS (REGNO (x))))
     *ret = true;
 }
 
@@ -2447,8 +2443,8 @@ add_branch_dependences (rtx head, rtx tail)
 
      COND_EXEC insns cannot be moved past a branch (see e.g. PR17808).
 
-     Insns setting CLASS_LIKELY_SPILLED_P registers (usually return values)
-     are not moved before reload because we can wind up with register
+     Insns setting TARGET_CLASS_LIKELY_SPILLED_P registers (usually return
+     values) are not moved before reload because we can wind up with register
      allocation failures.  */
 
   while (tail != head && DEBUG_INSN_P (tail))
@@ -2567,7 +2563,7 @@ add_branch_dependences (rtx head, rtx tail)
    the variables of its predecessors.  When the analysis for a bb completes,
    we save the contents to the corresponding bb_deps[bb] variable.  */
 
-static struct deps *bb_deps;
+static struct deps_desc *bb_deps;
 
 /* Duplicate the INSN_LIST elements of COPY and prepend them to OLD.  */
 
@@ -2576,7 +2572,10 @@ concat_INSN_LIST (rtx copy, rtx old)
 {
   rtx new_rtx = old;
   for (; copy ; copy = XEXP (copy, 1))
-    new_rtx = alloc_INSN_LIST (XEXP (copy, 0), new_rtx);
+    {
+      new_rtx = alloc_INSN_LIST (XEXP (copy, 0), new_rtx);
+      PUT_REG_NOTE_KIND (new_rtx, REG_NOTE_KIND (copy));
+    }
   return new_rtx;
 }
 
@@ -2601,7 +2600,7 @@ concat_insn_mem_list (rtx copy_insns, rtx copy_mems, rtx *old_insns_p,
 
 /* Join PRED_DEPS to the SUCC_DEPS.  */
 void
-deps_join (struct deps *succ_deps, struct deps *pred_deps)
+deps_join (struct deps_desc *succ_deps, struct deps_desc *pred_deps)
 {
   unsigned reg;
   reg_set_iterator rsi;
@@ -2660,7 +2659,7 @@ deps_join (struct deps *succ_deps, struct deps *pred_deps)
 /* After computing the dependencies for block BB, propagate the dependencies
    found in TMP_DEPS to the successors of the block.  */
 static void
-propagate_deps (int bb, struct deps *pred_deps)
+propagate_deps (int bb, struct deps_desc *pred_deps)
 {
   basic_block block = BASIC_BLOCK (BB_TO_BLOCK (bb));
   edge_iterator ei;
@@ -2715,7 +2714,7 @@ static void
 compute_block_dependences (int bb)
 {
   rtx head, tail;
-  struct deps tmp_deps;
+  struct deps_desc tmp_deps;
 
   tmp_deps = bb_deps[bb];
 
@@ -2775,7 +2774,7 @@ free_pending_lists (void)
    Callable from debugger.  */
 /* Print dependences for debugging starting from FROM_BB.
    Callable from debugger.  */
-void
+DEBUG_FUNCTION void
 debug_rgn_dependencies (int from_bb)
 {
   int bb;
@@ -3150,7 +3149,7 @@ sched_rgn_compute_dependencies (int rgn)
       init_deps_global ();
 
       /* Initializations for region data dependence analysis.  */
-      bb_deps = XNEWVEC (struct deps, current_nr_blocks);
+      bb_deps = XNEWVEC (struct deps_desc, current_nr_blocks);
       for (bb = 0; bb < current_nr_blocks; bb++)
        init_deps (bb_deps + bb, false);
 
@@ -3519,7 +3518,7 @@ gate_handle_sched2 (void)
 {
 #ifdef INSN_SCHEDULING
   return optimize > 0 && flag_schedule_insns_after_reload
-    && dbg_cnt (sched2_func);
+    && !targetm.delay_sched2 && dbg_cnt (sched2_func);
 #else
   return 0;
 #endif
@@ -3537,7 +3536,7 @@ rest_of_handle_sched2 (void)
     {
       /* Do control and data sched analysis again,
         and write some more of the results to dump file.  */
-      if (flag_sched2_use_superblocks || flag_sched2_use_traces)
+      if (flag_sched2_use_superblocks)
        schedule_ebbs ();
       else
        schedule_insns ();